My fax no longer completes connection - FIXED!!!!
Agent88:
I haven't used my fax in a while so I don't know when the issue developed, but I suspect an upgrade. >:( I have my fax connected to my Obi202 from Phone port 2. When attempting to fax, the receiving fax begins the handshake but then the line hangs up (goes to dial tone). My call log shows each fax attempt to last 3 seconds. It worked fine last year at this time, but sometime in the interim something happened and I can't figure it out.
I can't find instructions on how to properly configure the fax settings. I can see that my Obi202 is configured to enable T38 codec, but there is also a setting labeled "FaxPassThru" set to G711u. Do I set one or the other? It doesn't seem likely that both should be checked.
edit: 1)I went to my device web page, logged in, and selected Codecs from the left nav window. 2) I deselected the default settings for T38Enable, T38Redundancy, and T38ECM. I also unchecked the T38 Enable box, then submitted, re-booted, refreshed and checked to see that the changes were made.
Note: I left the FaxPassThrough codec set at G711u.
I will post my results after sending a test fax.
Result: NOPE. Still same-o, same-o. Anybody have a suggestion?
LTN1:
There can be potentially a number of reasons why your fax with GV (assuming you are using GV) and the OBi could not be working well.
1. The GV connection at a particular time may not be clear.
2. Your ISP connection may have issues not readily apparent. See http://www.voipmechanic.com/mos-mean-opinion-score.htm
3. The receiving fax line may have connection issues, especially if the receiving number is also a VoIP line.
4. Always a possibility...you may have unknowingly changed settings in the OBi such that it may be causing problems. If this is the case...or you don't know how to restore it to the original configurations, best to factory reset the device and add your accounts in again.
For me, it is often 1 and 2 when I do have problems with faxing using my GV and OBi. If you think it is 3, try faxing to another fax number to see if it can go through. Try this toll free fax test number (855-330-1239) and you can go here to view your test page after a few minutes: http://faxtoy.net/ If you still need another number, you can use one of mine at 206-208-5682.
Agent88:
1) I am not using GV for this situation, my Voip line is via Anveo, and it is clear. Furthermore, this has been an unresolved issue for over a month.
2) No issues with Anveo. Voice calls are good. Fax tones are clear. Receiving fax answers, just does not stay connected long enough to complete the transaction.
3) Issue remains with any fax number or machine I call. All faxes resolve to the same issue.
4) No change(s) made to OBi202 until today (after I tried everything else under the sun). I have now upgraded my firmware, but this cannot explain the issue from back in September. I did upgrade my router about six months ago. You may have uncovered the problem for me... if it is in the router.
5) Thanks
Agent88:
Continuing the saga:
I restored my T.38 settings since disabling them did not help. On the outside chance that a swap of routers may have been the cause, I researched the SIP ALG issue and found that the new Pace router installed by ATT U-verse has SIP ALG enabled by default with no provision to disable it from the web interface. I then tried the work-around in the OBiFAQ by disabling the "X_DiscoverPublicAddress" for the Service Provider. Problem is, that no matter what I do, when I reboot the OBi device, it re-enables it. It won't remain disabled.
Now what?
LTN1:
How are you disabling it? Are you going through the "Enter OBi Expert" from the OBiTalk web site or is it being done locally?
If you can take a screen shot of what you are doing and attach it, perhaps I and others more qualified than me can be in a better position to help you troubleshoot this.
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